21771330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2411}}^1$

素因数の和:2471

約数の個数: 64

約数和(自身を含む): 61129728

約数和(自身を除く): 39358398

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2411, 3010, 4515, 4822, 7233, 9030, 12055, 14466, 16877, 24110, 33754, 36165, 50631, 72330, 84385, 101262, 103673, 168770, 207346, 253155, 311019, 506310, 518365, 622038, 725711, 1036730, 1451422, 1555095, 2177133, 3110190, 3628555, 4354266, 7257110, 10885665, 21771330]

約数ペア:

[(1, 21771330), (2, 10885665), (3, 7257110), (5, 4354266), (6, 3628555), (7, 3110190), (10, 2177133), (14, 1555095), (15, 1451422), (21, 1036730), (30, 725711), (35, 622038), (42, 518365), (43, 506310), (70, 311019), (86, 253155), (105, 207346), (129, 168770), (210, 103673), (215, 101262), (258, 84385), (301, 72330), (430, 50631), (602, 36165), (645, 33754), (903, 24110), (1290, 16877), (1505, 14466), (1806, 12055), (2411, 9030), (3010, 7233), (4515, 4822)]